US1100475A - Door-holder. - Google Patents

Door-holder. Download PDF

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Publication number
US1100475A
US1100475A US1913793717A US1100475A US 1100475 A US1100475 A US 1100475A US 1913793717 A US1913793717 A US 1913793717A US 1100475 A US1100475 A US 1100475A
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US
United States
Prior art keywords
door
casing
member
holder
rod
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
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Inventor
Emile Franckaerts
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Emile Franckaerts
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Emile Franckaerts filed Critical Emile Franckaerts
Priority to US1913793717 priority Critical patent/US1100475A/en
Application granted granted Critical
Publication of US1100475A publication Critical patent/US1100475A/en
Anticipated expiration legal-status Critical
Application status is Expired - Lifetime legal-status Critical

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    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B15/00Other details of locks; Parts for engagement by bolts of fastening devices
    • E05B15/004Lost motion connections
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S292/00Closure fasteners
    • Y10S292/15Door, checks, floor
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T292/00Closure fasteners
    • Y10T292/08Bolts
    • Y10T292/0886Sliding and swinging
    • Y10T292/0893Spring retracted
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T292/00Closure fasteners
    • Y10T292/08Bolts
    • Y10T292/096Sliding
    • Y10T292/1014Operating means
    • Y10T292/1022Rigid
    • Y10T292/1024Friction catch

Description

E. PRANGKAERTS.

DOOR HOLDER.

AYPLIOATION FILED 00T. 6. 1913.

1,100,475, Patented June 16, 1914.

slE-l By COLUMBIA PLANoaHAPH co. WASHINGTON. D. c.

UNITED sTATEs PATENT oEEIoE.

EMILE FRANCKAERTS, OF SAN FRANCISCO, CALIFORNIA.

DOOR-HOLDER.

i 0 @ZZ fio/om it may concern Be. it known that I, EuILE FRANCKAERTS, a citizen of the United States, and a resident of San Francisco, in the county of'San Francisco and State of California, have made certain new and useful Improvements in Door- Holders, of which the following is a specification.

My invention relates to improvements in door holders, and it consists in the combinations, constructions and arrangements herein described and claimed.

An object of my invention is to provide a device for holding a door in open position, which may be readily set or released at will.

A further object of my invention is to provide means for positively holding a door in open position so as to prevent the closing of the same even when considerable force is used, but which will instantly release when a release mechanism is operated, so as to permit the door to close.

A further object of my invention is to provide a door holder having comparatively few parts for accomplishing the above named objects, which is cheaply manufactured, and which is not liable to easily get out of order.

Other objects and advantages will appear in the following specification and the. novel features of the device will be particularly pointed out in the appended claim.

My invention is illustrated in the accompanying drawing forming a part of this application, in which- Figure 1 is a face view of the door holder as applied to a door. Fig. 2 is a sectional view through the door and the door holder. Fig. 3 is a rear view of the door holder. Fig. 4 is a sectional view along the line 4 4 of Fig. 2, and Fig. 5 is a sectional view along the line 5-5 of Fig. 2.

In carrying out my invention I provide a main casing 1, which is of the shape shown in the drawings. It is provided with an upper extended portion 2 and with side lugs 3. The portions 2 and 3 are perforated so as to afford means for attaching the casing to a door.

Arranged to slide within the casing 1 is .an auxiliary casing 4, which is hollow. The rear side of the inner casing 4 is provided with a bearing member 5 having an elongated opening 6. The bearing member 5 is dove-tailed as shown in Figs. 4 and 5, to enter the grooves 1x of the main casing.

Specification 0f Letters Patent.

Application led October 6, 1913.

Patented Julie 16, 1914.

Serial No. 793,717.

This provides means for guiding the inner casing in its movement.

Pivotally supported at the lower end of the inner casing is a stop member 7, which bears at its lower end a resilient bu'er 8 of rubber or other suitable material. The upper end of the stop member 7 is pressed upon by a spring 9, which bears on the inner side of the member 5. The stop 8 holds the butter 8 in position Arranged to extend transversely of the device are two partitions, a lower one 10 and an upper one 11. These partitions are of the shape shown in Fig. 5. They are pro vided with central openings arranged to receive a rod 12, which is secured to a cap member 13 at the top of the auxiliary casing 4. The cap 13 is provided with a tongue 13X arranged to enter a slot in the rear part of the casing 4 and is held in position by means of a screw 14. A spiral spring 15 bears at one end on the cap 13, and at the other end of the partition 11.

A locking member 16 like that shown in Fig. 4 has a tongue 16a which passes through the slot in the member 5 and enters an opening in a plate 17 secured to the rear side of the casing 1. The plate 17 is also provided with openings arranged to receive one end of the partit-ions 10 and 11. The locking member 16 passes through an open* ing in the casings 1 and 4, and is provided with an integral extension 16b on the outside thereof. The rod 12 passes through an opening 16c in the locking member 16. A spring 18 normally holds the locking member 16 in such position as to cause the rod 12 to bind against the walls of the opening 16C. The opening 16c in the locking member 16 may, however, be brought into position so as to permit a free movement of the rod by moving the locking member 16 downwardly.

From the foregoing description of the various parts of the device the operation thereof may be readily understood. The apparatus is fastened on to the side of the door near the bottom thereof, as shown in Fig. 2. Now when it is desired to open the door and hold it open, one may place his foot on top of the cap 13 and press downwardly. This causes the casing 4 to slide downwardly within the casing 1, spring 15 being put under tension. The locking member 16 is held by the spring 13 so as to prevent the retraction of the rod 12. Thus the stop member 7 is held in close engagement with the floor,

the rubber buffer preventing the movement of the door. If there is any attempt to move the door, the stop member will swing outwardly into the position shown in dotted lines, eausin a rmer grip of the device on the floor. T e stop member will thus resist any tendency to close the door. Now when it is desired to release the door, the extension 16b of the locking member 16 is pressed downwardly either with the foot or with the finger, thereby releasing the rod l2, which underthe iniuenee of the spring 15, raises the slidable casing 4, together with the stop member 7 from the floor into the position shown in Fig. 2, thereby permitting the door to swing free.

I claim In a door holder, a main outer casing provided with grooves, an auxiliary Casing disposed within said auxiliary casing and slidable with respect thereto, a bearing member arranged to enter the grooves for guiding the inner easing in its movement, a pivoted stop member supported at the lower end of the inner easing, a spring having one end normally pressing upon the upper end of the stop member, and the other end bearing on the inner side of the bearing member, a pair of partitions having alined openings, a eentral clamping member disposed between the partitions and being provided with an opening, a rod Carried by the inner auxiliary Copies of this patent may be obtained for ve cents each, by addressing the Commissioner of Patents, Washington, D. C.

US1913793717 1913-10-06 1913-10-06 Door-holder. Expired - Lifetime US1100475A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US1913793717 US1100475A (en) 1913-10-06 1913-10-06 Door-holder.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US1913793717 US1100475A (en) 1913-10-06 1913-10-06 Door-holder.

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Publication Number Publication Date
US1100475A true US1100475A (en) 1914-06-16

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US1913793717 Expired - Lifetime US1100475A (en) 1913-10-06 1913-10-06 Door-holder.

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Cited By (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2801121A (en) * 1956-02-17 1957-07-30 Alfred A Gervais Doorholder
US4823432A (en) * 1988-02-05 1989-04-25 Jan Cow M Devices for stopping swinging doors
US5590928A (en) * 1995-06-01 1997-01-07 Winner International Royalty Corporation Mechanical door stop
US5662725A (en) * 1995-05-12 1997-09-02 Cooper; Paul V. System and device for removing impurities from molten metal
US5673949A (en) * 1995-12-26 1997-10-07 Von Duprin, Inc. Push pad trigger release for a vertical rod exit device
US5944496A (en) * 1996-12-03 1999-08-31 Cooper; Paul V. Molten metal pump with a flexible coupling and cement-free metal-transfer conduit connection
US5951243A (en) * 1997-07-03 1999-09-14 Cooper; Paul V. Rotor bearing system for molten metal pumps
US6027685A (en) * 1997-10-15 2000-02-22 Cooper; Paul V. Flow-directing device for molten metal pump
US6303074B1 (en) 1999-05-14 2001-10-16 Paul V. Cooper Mixed flow rotor for molten metal pumping device
US6398525B1 (en) 1998-08-11 2002-06-04 Paul V. Cooper Monolithic rotor and rigid coupling
US6689310B1 (en) 2000-05-12 2004-02-10 Paul V. Cooper Molten metal degassing device and impellers therefor
US6723276B1 (en) 2000-08-28 2004-04-20 Paul V. Cooper Scrap melter and impeller
US7402276B2 (en) 2003-07-14 2008-07-22 Cooper Paul V Pump with rotating inlet
US7470392B2 (en) 2003-07-14 2008-12-30 Cooper Paul V Molten metal pump components
US7507367B2 (en) 2002-07-12 2009-03-24 Cooper Paul V Protective coatings for molten metal devices
US7731891B2 (en) 2002-07-12 2010-06-08 Cooper Paul V Couplings for molten metal devices
US7906068B2 (en) 2003-07-14 2011-03-15 Cooper Paul V Support post system for molten metal pump
US8178037B2 (en) 2002-07-12 2012-05-15 Cooper Paul V System for releasing gas into molten metal
US8337746B2 (en) 2007-06-21 2012-12-25 Cooper Paul V Transferring molten metal from one structure to another
US8361379B2 (en) 2002-07-12 2013-01-29 Cooper Paul V Gas transfer foot
US8366993B2 (en) 2007-06-21 2013-02-05 Cooper Paul V System and method for degassing molten metal
US8444911B2 (en) 2009-08-07 2013-05-21 Paul V. Cooper Shaft and post tensioning device
US8449814B2 (en) 2009-08-07 2013-05-28 Paul V. Cooper Systems and methods for melting scrap metal
US8524146B2 (en) 2009-08-07 2013-09-03 Paul V. Cooper Rotary degassers and components therefor
US8535603B2 (en) 2009-08-07 2013-09-17 Paul V. Cooper Rotary degasser and rotor therefor
US8613884B2 (en) 2007-06-21 2013-12-24 Paul V. Cooper Launder transfer insert and system
US8714914B2 (en) 2009-09-08 2014-05-06 Paul V. Cooper Molten metal pump filter
US9011761B2 (en) 2013-03-14 2015-04-21 Paul V. Cooper Ladle with transfer conduit
US9108244B2 (en) 2009-09-09 2015-08-18 Paul V. Cooper Immersion heater for molten metal
US9156087B2 (en) 2007-06-21 2015-10-13 Molten Metal Equipment Innovations, Llc Molten metal transfer system and rotor
US9205490B2 (en) 2007-06-21 2015-12-08 Molten Metal Equipment Innovations, Llc Transfer well system and method for making same
US9409232B2 (en) 2007-06-21 2016-08-09 Molten Metal Equipment Innovations, Llc Molten metal transfer vessel and method of construction
US9410744B2 (en) 2010-05-12 2016-08-09 Molten Metal Equipment Innovations, Llc Vessel transfer insert and system
US9643247B2 (en) 2007-06-21 2017-05-09 Molten Metal Equipment Innovations, Llc Molten metal transfer and degassing system
US9903383B2 (en) 2013-03-13 2018-02-27 Molten Metal Equipment Innovations, Llc Molten metal rotor with hardened top
US10052688B2 (en) 2013-03-15 2018-08-21 Molten Metal Equipment Innovations, Llc Transfer pump launder system
US10138892B2 (en) 2014-07-02 2018-11-27 Molten Metal Equipment Innovations, Llc Rotor and rotor shaft for molten metal
US10267314B2 (en) 2016-01-13 2019-04-23 Molten Metal Equipment Innovations, Llc Tensioned support shaft and other molten metal devices
US10428821B2 (en) 2009-08-07 2019-10-01 Molten Metal Equipment Innovations, Llc Quick submergence molten metal pump

Cited By (84)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2801121A (en) * 1956-02-17 1957-07-30 Alfred A Gervais Doorholder
US4823432A (en) * 1988-02-05 1989-04-25 Jan Cow M Devices for stopping swinging doors
US5662725A (en) * 1995-05-12 1997-09-02 Cooper; Paul V. System and device for removing impurities from molten metal
US5590928A (en) * 1995-06-01 1997-01-07 Winner International Royalty Corporation Mechanical door stop
US5673949A (en) * 1995-12-26 1997-10-07 Von Duprin, Inc. Push pad trigger release for a vertical rod exit device
US5762385A (en) * 1995-12-26 1998-06-09 Von Duprin, Inc. Push pad trigger release exit device with infinite deadlocking
US5944496A (en) * 1996-12-03 1999-08-31 Cooper; Paul V. Molten metal pump with a flexible coupling and cement-free metal-transfer conduit connection
US6345964B1 (en) 1996-12-03 2002-02-12 Paul V. Cooper Molten metal pump with metal-transfer conduit molten metal pump
US5951243A (en) * 1997-07-03 1999-09-14 Cooper; Paul V. Rotor bearing system for molten metal pumps
US6027685A (en) * 1997-10-15 2000-02-22 Cooper; Paul V. Flow-directing device for molten metal pump
US6398525B1 (en) 1998-08-11 2002-06-04 Paul V. Cooper Monolithic rotor and rigid coupling
US6303074B1 (en) 1999-05-14 2001-10-16 Paul V. Cooper Mixed flow rotor for molten metal pumping device
US6689310B1 (en) 2000-05-12 2004-02-10 Paul V. Cooper Molten metal degassing device and impellers therefor
US6723276B1 (en) 2000-08-28 2004-04-20 Paul V. Cooper Scrap melter and impeller
US8361379B2 (en) 2002-07-12 2013-01-29 Cooper Paul V Gas transfer foot
US8529828B2 (en) 2002-07-12 2013-09-10 Paul V. Cooper Molten metal pump components
US7507367B2 (en) 2002-07-12 2009-03-24 Cooper Paul V Protective coatings for molten metal devices
US7731891B2 (en) 2002-07-12 2010-06-08 Cooper Paul V Couplings for molten metal devices
US9435343B2 (en) 2002-07-12 2016-09-06 Molten Meal Equipment Innovations, LLC Gas-transfer foot
US8409495B2 (en) 2002-07-12 2013-04-02 Paul V. Cooper Rotor with inlet perimeters
US8110141B2 (en) 2002-07-12 2012-02-07 Cooper Paul V Pump with rotating inlet
US8178037B2 (en) 2002-07-12 2012-05-15 Cooper Paul V System for releasing gas into molten metal
US8440135B2 (en) 2002-07-12 2013-05-14 Paul V. Cooper System for releasing gas into molten metal
US9034244B2 (en) 2002-07-12 2015-05-19 Paul V. Cooper Gas-transfer foot
US8501084B2 (en) 2003-07-14 2013-08-06 Paul V. Cooper Support posts for molten metal pumps
US7402276B2 (en) 2003-07-14 2008-07-22 Cooper Paul V Pump with rotating inlet
US8075837B2 (en) 2003-07-14 2011-12-13 Cooper Paul V Pump with rotating inlet
US7906068B2 (en) 2003-07-14 2011-03-15 Cooper Paul V Support post system for molten metal pump
US7470392B2 (en) 2003-07-14 2008-12-30 Cooper Paul V Molten metal pump components
US8475708B2 (en) 2003-07-14 2013-07-02 Paul V. Cooper Support post clamps for molten metal pumps
US10072891B2 (en) 2007-06-21 2018-09-11 Molten Metal Equipment Innovations, Llc Transferring molten metal using non-gravity assist launder
US10345045B2 (en) 2007-06-21 2019-07-09 Molten Metal Equipment Innovations, Llc Vessel transfer insert and system
US10352620B2 (en) 2007-06-21 2019-07-16 Molten Metal Equipment Innovations, Llc Transferring molten metal from one structure to another
US10274256B2 (en) 2007-06-21 2019-04-30 Molten Metal Equipment Innovations, Llc Vessel transfer systems and devices
US8613884B2 (en) 2007-06-21 2013-12-24 Paul V. Cooper Launder transfer insert and system
US10195664B2 (en) 2007-06-21 2019-02-05 Molten Metal Equipment Innovations, Llc Multi-stage impeller for molten metal
US8753563B2 (en) 2007-06-21 2014-06-17 Paul V. Cooper System and method for degassing molten metal
US10458708B2 (en) 2007-06-21 2019-10-29 Molten Metal Equipment Innovations, Llc Transferring molten metal from one structure to another
US9017597B2 (en) 2007-06-21 2015-04-28 Paul V. Cooper Transferring molten metal using non-gravity assist launder
US9862026B2 (en) 2007-06-21 2018-01-09 Molten Metal Equipment Innovations, Llc Method of forming transfer well
US9982945B2 (en) 2007-06-21 2018-05-29 Molten Metal Equipment Innovations, Llc Molten metal transfer vessel and method of construction
US9925587B2 (en) 2007-06-21 2018-03-27 Molten Metal Equipment Innovations, Llc Method of transferring molten metal from a vessel
US8366993B2 (en) 2007-06-21 2013-02-05 Cooper Paul V System and method for degassing molten metal
US9205490B2 (en) 2007-06-21 2015-12-08 Molten Metal Equipment Innovations, Llc Transfer well system and method for making same
US9909808B2 (en) 2007-06-21 2018-03-06 Molten Metal Equipment Innovations, Llc System and method for degassing molten metal
US9566645B2 (en) 2007-06-21 2017-02-14 Molten Metal Equipment Innovations, Llc Molten metal transfer system and rotor
US9855600B2 (en) 2007-06-21 2018-01-02 Molten Metal Equipment Innovations, Llc Molten metal transfer system and rotor
US9383140B2 (en) 2007-06-21 2016-07-05 Molten Metal Equipment Innovations, Llc Transferring molten metal from one structure to another
US9409232B2 (en) 2007-06-21 2016-08-09 Molten Metal Equipment Innovations, Llc Molten metal transfer vessel and method of construction
US9643247B2 (en) 2007-06-21 2017-05-09 Molten Metal Equipment Innovations, Llc Molten metal transfer and degassing system
US9581388B2 (en) 2007-06-21 2017-02-28 Molten Metal Equipment Innovations, Llc Vessel transfer insert and system
US8337746B2 (en) 2007-06-21 2012-12-25 Cooper Paul V Transferring molten metal from one structure to another
US9156087B2 (en) 2007-06-21 2015-10-13 Molten Metal Equipment Innovations, Llc Molten metal transfer system and rotor
US9470239B2 (en) 2009-08-07 2016-10-18 Molten Metal Equipment Innovations, Llc Threaded tensioning device
US8535603B2 (en) 2009-08-07 2013-09-17 Paul V. Cooper Rotary degasser and rotor therefor
US9506129B2 (en) 2009-08-07 2016-11-29 Molten Metal Equipment Innovations, Llc Rotary degasser and rotor therefor
US9464636B2 (en) 2009-08-07 2016-10-11 Molten Metal Equipment Innovations, Llc Tension device graphite component used in molten metal
US9422942B2 (en) 2009-08-07 2016-08-23 Molten Metal Equipment Innovations, Llc Tension device with internal passage
US9080577B2 (en) 2009-08-07 2015-07-14 Paul V. Cooper Shaft and post tensioning device
US8449814B2 (en) 2009-08-07 2013-05-28 Paul V. Cooper Systems and methods for melting scrap metal
US9657578B2 (en) 2009-08-07 2017-05-23 Molten Metal Equipment Innovations, Llc Rotary degassers and components therefor
US9382599B2 (en) 2009-08-07 2016-07-05 Molten Metal Equipment Innovations, Llc Rotary degasser and rotor therefor
US9377028B2 (en) 2009-08-07 2016-06-28 Molten Metal Equipment Innovations, Llc Tensioning device extending beyond component
US8444911B2 (en) 2009-08-07 2013-05-21 Paul V. Cooper Shaft and post tensioning device
US9328615B2 (en) 2009-08-07 2016-05-03 Molten Metal Equipment Innovations, Llc Rotary degassers and components therefor
US8524146B2 (en) 2009-08-07 2013-09-03 Paul V. Cooper Rotary degassers and components therefor
US10428821B2 (en) 2009-08-07 2019-10-01 Molten Metal Equipment Innovations, Llc Quick submergence molten metal pump
US8714914B2 (en) 2009-09-08 2014-05-06 Paul V. Cooper Molten metal pump filter
US9108244B2 (en) 2009-09-09 2015-08-18 Paul V. Cooper Immersion heater for molten metal
US10309725B2 (en) 2009-09-09 2019-06-04 Molten Metal Equipment Innovations, Llc Immersion heater for molten metal
US9410744B2 (en) 2010-05-12 2016-08-09 Molten Metal Equipment Innovations, Llc Vessel transfer insert and system
US9482469B2 (en) 2010-05-12 2016-11-01 Molten Metal Equipment Innovations, Llc Vessel transfer insert and system
US9903383B2 (en) 2013-03-13 2018-02-27 Molten Metal Equipment Innovations, Llc Molten metal rotor with hardened top
US10126059B2 (en) 2013-03-14 2018-11-13 Molten Metal Equipment Innovations, Llc Controlled molten metal flow from transfer vessel
US9587883B2 (en) 2013-03-14 2017-03-07 Molten Metal Equipment Innovations, Llc Ladle with transfer conduit
US10302361B2 (en) 2013-03-14 2019-05-28 Molten Metal Equipment Innovations, Llc Transfer vessel for molten metal pumping device
US10126058B2 (en) 2013-03-14 2018-11-13 Molten Metal Equipment Innovations, Llc Molten metal transferring vessel
US9011761B2 (en) 2013-03-14 2015-04-21 Paul V. Cooper Ladle with transfer conduit
US10322451B2 (en) 2013-03-15 2019-06-18 Molten Metal Equipment Innovations, Llc Transfer pump launder system
US10307821B2 (en) 2013-03-15 2019-06-04 Molten Metal Equipment Innovations, Llc Transfer pump launder system
US10052688B2 (en) 2013-03-15 2018-08-21 Molten Metal Equipment Innovations, Llc Transfer pump launder system
US10138892B2 (en) 2014-07-02 2018-11-27 Molten Metal Equipment Innovations, Llc Rotor and rotor shaft for molten metal
US10465688B2 (en) 2014-07-02 2019-11-05 Molten Metal Equipment Innovations, Llc Coupling and rotor shaft for molten metal devices
US10267314B2 (en) 2016-01-13 2019-04-23 Molten Metal Equipment Innovations, Llc Tensioned support shaft and other molten metal devices

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